Giant field fluctuations in dielectric metamaterial and Raman sensor

Konstantin N. Afanas'ev; Irina A. Boginskaya; Igor A. Budashov; Andrey V. Ivanov; Ilya N. Kurochkin; Andrey N. Lagarkov; Ilya A. Ryzhikov; Andrey K. Sarychev

doi:10.1117/12.2187134

1 September 2015 Giant field fluctuations in dielectric metamaterial and Raman sensor

Konstantin N. Afanas'ev, Irina A. Boginskaya, Igor A. Budashov, Andrey V. Ivanov, Ilya N. Kurochkin, Andrey N. Lagarkov, Ilya A. Ryzhikov, Andrey K. Sarychev

Author Affiliations +

Proceedings Volume 9544, Metamaterials, Metadevices, and Metasystems 2015; 95441Y (2015) https://doi.org/10.1117/12.2187134
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

New dielectric metamaterial based on the Bragg filter comprising ten dielectric bilayers was investigated. Each bilayer is the thin films of silicone dioxide (SiO₂) and another film of zirconium dioxide (ZrO₂). The surface of the multilayer film is profiled. It has a form of periodic system of rectangles separated by the open gaps. We use the computer simulation as well as analytical solution to find the reflectance of the multilayer as a function of the wavelength and electromagnetic (em) field distribution. The multilayer system reveals the enhancement of em fields at the surface. The considered Bragg filter was modified by Raman-active structure made of gold nanoparticles with chemically attached 3,3-thio-bis(6- nitrobenzoic acid) - (TNB). The high Surface Enhanced Raman Scattering (SERS) signal was detected.

Conference Presentation

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Konstantin N. Afanas'ev, Irina A. Boginskaya, Igor A. Budashov, Andrey V. Ivanov, Ilya N. Kurochkin, Andrey N. Lagarkov, Ilya A. Ryzhikov, and Andrey K. Sarychev "Giant field fluctuations in dielectric metamaterial and Raman sensor", Proc. SPIE 9544, Metamaterials, Metadevices, and Metasystems 2015, 95441Y (1 September 2015); https://doi.org/10.1117/12.2187134

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